Finding the Fourth Proportional to 14,148.42, 19,524.27 and 7,861.20

Step by Step Solution

1. Step 1: Write the proportion equation
   14,148.42 : 19,524.27 = 7,861.20 : x
2. Step 2: Convert to fraction form
   14,148.42/19,524.27 = 7,861.20/x
3. Step 3: Cross multiply
   14,148.42x = 19,524.27 × 7,861.20
4. Step 4: Simplify right side
   14,148.42x = 153,484,191.32
5. Step 5: Solve for x
   x = 153,484,191.32/14,148.42
6. Step 6: Final answer
   x = 10,848.15